Filed under Evolutionary trees

Crinoids: our favorite echinoderms!

Crinoids: our favorite echinoderms!

Crinoids are sessile, filter-feeding benthic echinoderms restricted to marine environments. ¬†They are the sister group to the other echinoderms, which include sea cucumbers, sea stars, and sea urchins. ¬†Here is our current understanding of echinoderm evolution: There are many scientists working to untangle the evolutionary relationships between echinoderms, a great place to follow the progress … Continue reading